Jym,
> I have a mint-condition SDS-7 kit, identical in setup to my SDX kit. I
> didn't use it for several years and the battery went dead. It always
> worked perfectly before that. Could it be resurrected merely with a
> replacement battery?
in theory yes, but if the battery has leeked over the PCB, you may have problems
with burnt or missing tracks (old battery = nasty).
> When Bill B's American engineer refurbed my SDX,
> he thought I might need some sort of memory card to rejuvenate the
> SDS-7. Anbody know about this? Help!
no idea, I wouldn't have thought so, I would hope that the OS was held on EPROM
and not in memory.
Paul